“That’s right,” confirmed Ned. “There was four thousand in gold taken. Let’s see if we can’t pick up some more.”
They hurried back to the place where they had first found the glittering coins, and by dint of searching in the leaves managed to pick up one hundred and ten of the coins—twenty-two hundred dollars. Then, as it was getting late, and they wanted to make secure the great treasure they had found, they went back to their craft.
As they came in view of it they saw Professor Snodgrass capering about like a boy.
“Hurrah! Hurrah!” he shouted at the sight of them. “I’ve found it!”
“Maybe he found the rest of the gold,” suggested Ned.
“We’ve got most of the treasure!” yelled Bob.
“And I’ve got my treasure—my prize—the flying frog!” exclaimed the scientist. “I just caught it! Oh, but I am the lucky man! Congratulate me, boys!”
“Look here!” called Jerry, showing the big bundle of notes.
“Ah, yes, very good, very good,” spoke the professor calmly, “but look at this,” and, trembling with eagerness, he opened a specimen box and showed the boys a tiny, trembling green frog. “I had rather have this than the airship treasure,” said the professor. “You ought to see it change color.”